Excerpts from the report: A study was made to determine the most economical and efficient means of supplying refrigeration to a hypothetical, four-building food distribution center housing 34 firms in a wholesale food distribution center in Chicago, Ill. The firms buy and sell fresh fruits and vegetables, meats and meat products, poultry, eggs, and groceries. It was assumed that the 34 firms would need refrigeration for 2 rooms at -20° F., 11 rooms at -10°, 1 room at 25°, 17 rooms at 32°, 7 rooms at 40°, 1 room at 45°, 19 rooms at 50°, and 5 rooms at 72°. In this report, specific data, material, designs, and evaluations have been developed to determine an efficient system for providing the refrigeration requirement in such food distribution centers. Weather data and electrical, labor, and material costs used in this report reflect those current in Chicago at the time this study was made.